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Errata to Cooper Nuclear Station Semiannual Operating Rept, Radioactive Effluents,Jan-June 1983
	ML20092N811
Person / Time
Site:	Cooper
Issue date:	06/30/1983
From:	; NEBRASKA PUBLIC POWER DISTRICT
To:	;
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ML20092N807	List: ML20092N811; NLS8400140, Forwards Errata to Cooper Nuclear Station Semiannual Operating Rept,Radioactive Effluents,Jan-June 1983. Rept Corrects Error in Plotting Routines to Generate Chi/Q & Dose Isopleths;
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'cmB NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION SEMI-ANNUAL OPERATING REPORT RADIOACTIVE EFFLUENTS DOCKET NUMBER 50-298 January 1,1983 through June 30,1983 ERRATA May 11,1984 BG m.~..

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Nebraska Public Power District N1S8400140 ggh May 11, 1984 g,g(15 nod Mr. John T.

Collins Regional Administrator U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive

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Suite 1000

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Arlington, Texas 76011

Subject:

Semi-Annual Operating Report - Radioactive Effluents -

Errata Cooper Nuclear Station January 1, 1983 through June 30, 1983 NRC Docket No. 50-298, DPR-46

Dear Mr. Collins:

During preparation of the second semi-annual operating report for the Cooper Nuclear Station for the period July 1-December 31, 1983 an error was discovered in the plotting routines used to generate the Chi /0 and dose isopleths.

This error resulted in a rotation of contours one sector (22.5 ) counter clockwise from what they should have been.

The plotting program was corrected, and the plots contained in the July 1, 1983 - December 31, 1983 semi-annual report are correct.

However, the plots provided in Appendix C of the first semi-annual report for January 1-June 30, 1983, contain the same error.

Attached are corrected versions of Figures 3-20 of the January 1, 1983 -

June 30, 1983 semi-annual report.

Sincerely, M

Jay M. Pilant Technical Staff Manager Nuclear Power Group DGL/cl Enclosure cc Document Control Desk w/ enc.

U.S. Nuclear Regulatory Commission Washington, DC 20555

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~ NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION '

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SEMIANNUAL OPERATING REPORT RADIOACTIVE EFFLUENTS January.1,-1983 through June 30, 1983 f

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.USNRC' Docket 50-298 4

ERRATA 4

3-May 11, 1984 i

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4 ERRATA Listed below are the corrected versions of Figures 3-20 contained in Appenuiz C of.the.first semi-annual operating report for 1983 which are contained in this errata.

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ML20092N811

Text

Subject:

Dear Mr. Collins:

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